. >> tribbutes have begun pouring in for arlen specter who died today at age 81.presidentobamacalledhim a fighter. former george w. bush said he loved our country and served it withty for three decades. he served his state and nation with honor and distinction. sect sect senator said he was a wonderful friend and colleague who in his fight against cancer set an inspiring example of strength and courage. soon after leaving the senate he sat down for interviews with the pennsylvania cable network. here is a short excerpt. >> the articles of impeachment for his young son sam. and that gave me the idea to get all00 snures on the articles of impeachment which i did. joe leaper man's signature was so undesifeable i asked him to sign it again. i've got 101 snures on it. >> then i got all of the house managers, hide it was chairman and lind see gram, i got all of those fellows to sign it. then i got all of the defense lawyers to sign it. the white house counsel. and then my son told me you're missing one signature dad. guess the signature i was missing? >> you're own? >> the president. >> when